[llvm-bugs] [Bug 9588] [regalloc remat] Repeated generation of 0 constant

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=9588

Jeff Muizelaar <jmuizelaar at mozilla.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #8 from Jeff Muizelaar <jmuizelaar at mozilla.com> ---
This current code is different enough that this can probably be closed.

.LCPI0_0:
        .long   931135488               # float 1.52587891E-5
        .long   931135488               # float 1.52587891E-5
        .long   931135488               # float 1.52587891E-5
        .long   931135488               # float 1.52587891E-5
.LCPI0_1:
        .long   931135488               # float 1.52587891E-5
qcms_profile_is_bogus(qcms_profile*): # @qcms_profile_is_bogus(qcms_profile*)
        movsd   (%rdi), %xmm0           # xmm0 = mem[0],zero
        movss   8(%rdi), %xmm1          # xmm1 = mem[0],zero,zero,zero
        movaps  %xmm0, %xmm2
        shufps  $132, %xmm1, %xmm2      # xmm2 = xmm2[0,1],xmm1[0,2]
        movss   24(%rdi), %xmm1         # xmm1 = mem[0],zero,zero,zero
        shufps  $32, %xmm2, %xmm1       # xmm1 = xmm1[0,0],xmm2[2,0]
        shufps  $36, %xmm1, %xmm0       # xmm0 = xmm0[0,1],xmm1[2,0]
        movsd   12(%rdi), %xmm1         # xmm1 = mem[0],zero
        movsd   28(%rdi), %xmm2         # xmm2 = mem[0],zero
        movlhps %xmm1, %xmm2            # xmm2 = xmm2[0],xmm1[0]
        cvtdq2ps        %xmm2, %xmm1
        cvtdq2ps        %xmm0, %xmm0
        movaps  .LCPI0_0(%rip), %xmm2   # xmm2 =
[1.52587891E-5,1.52587891E-5,1.52587891E-5,1.52587891E-5]
        mulps   %xmm2, %xmm0
        mulps   %xmm2, %xmm1
        xorps   %xmm2, %xmm2
        cvtsi2ssl       20(%rdi), %xmm2
        mulss   .LCPI0_1(%rip), %xmm2
        xorps   %xmm3, %xmm3
        xorps   %xmm4, %xmm4
        ucomiss %xmm2, %xmm4
        seta    %cl
        cmpltps %xmm3, %xmm1
        cmpltps %xmm3, %xmm0
        packssdw        %xmm1, %xmm0
        packsswb        %xmm0, %xmm0
        pmovmskb        %xmm0, %eax
        testb   %al, %al
        setne   %al
        orb     %cl, %al
        retq

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